public Comments getComments(final Context ctx, String[] expCols, final long... commentIds) {
final Comments commentList = new Comments();
GroupedShardResults groupedPropSR = shardComment(commentIds);
for (final ShardResult propSR : groupedPropSR.getShardResults()) {
sqlExecutor.openConnection(
propSR.db,
new SingleConnectionHandler<List<Comment>>() {
@Override
protected List<Comment> handleConnection(Connection conn) {
String sql = CommentSql.getComments(propSR.table, commentIds);
SqlExecutor.executeList(
ctx,
conn,
sql,
commentList,
new ResultSetReader<Comment>() {
@Override
public Comment read(ResultSet rs, Comment reuse) throws SQLException {
return CommentRs.readComment(rs, null);
}
});
return commentList;
}
});
}
return commentList;
}
public Map<Target, Integer> getCommentCounts(final Context ctx, final Target... targets) {
String[] strings = new String[targets.length];
int i = 0;
for (Target target : targets) {
strings[i++] = target.id;
}
final Map<Target, Integer> map = new HashMap<Target, Integer>();
GroupedShardResults groupedPropSR = shardCommentTarget(strings);
for (final ShardResult propSR : groupedPropSR.getShardResults()) {
// final long[] commentIdsInShard = CollectionsHelper.toLongArray(groupedPropSR.get(propSR));
sqlExecutor.openConnection(
propSR.db,
new SingleConnectionHandler<Map<Target, Integer>>() {
@Override
protected Map<Target, Integer> handleConnection(Connection conn) {
for (Target target : targets) {
String sql = CommentSql.getCommentCount(propSR.table, target);
map.put(target, (int) SqlExecutor.executeInt(ctx, conn, sql, 0));
}
return map;
}
});
}
return map;
}
public Map<Target, long[]> getCommentsOnTarget(
final Context ctx, final Page page, final Target... targets) {
String[] strings = new String[targets.length];
int i = 0;
for (Target target : targets) {
strings[i++] = target.id;
}
final Map<Target, long[]> map = new HashMap<Target, long[]>();
GroupedShardResults groupedPropSR = shardComment(strings);
for (final ShardResult propSR : groupedPropSR.getShardResults()) {
sqlExecutor.openConnection(
propSR.db,
new SingleConnectionHandler<Map<Target, long[]>>() {
@Override
protected Map<Target, long[]> handleConnection(Connection conn) {
for (Target target : targets) {
final HashSet<Long> existsIds = new HashSet<Long>();
String sql = CommentSql.getCommentsOnTarget(propSR.table, target, page);
SqlExecutor.executeCustom(
ctx,
conn,
sql,
new ResultSetHandler() {
@Override
public void handle(ResultSet rs) throws SQLException {
CommentRs.readIds(rs, existsIds);
}
});
long[] ids = CollectionsHelper.toLongArray(existsIds);
map.put(target, ids);
}
return map;
}
});
}
return map;
}